Merge branch 'kvm-ppchv-next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc into kvm-next

6 files changed, 25 insertions, 1 deletions

diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index 83851aabfdc..bb1e38a23ac 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -304,6 +304,11 @@ static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
 	return vcpu->arch.fault_dar;
 }
 
+static inline bool is_kvmppc_resume_guest(int r)
+{
+	return (r == RESUME_GUEST || r == RESUME_GUEST_NV);
+}
+
 /* Magic register values loaded into r3 and r4 before the 'sc' assembly
  * instruction for the OSI hypercalls */
 #define OSI_SC_MAGIC_R3			0x113724FA
diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h
index bf0fa8b0a88..51388befedd 100644
--- a/arch/powerpc/include/asm/kvm_book3s_64.h
+++ b/arch/powerpc/include/asm/kvm_book3s_64.h
@@ -289,6 +289,18 @@ static inline void note_hpte_modification(struct kvm *kvm,
 	if (atomic_read(&kvm->arch.hpte_mod_interest))
 		rev->guest_rpte |= HPTE_GR_MODIFIED;
 }
+
+/*
+ * Like kvm_memslots(), but for use in real mode when we can't do
+ * any RCU stuff (since the secondary threads are offline from the
+ * kernel's point of view), and we can't print anything.
+ * Thus we use rcu_dereference_raw() rather than rcu_dereference_check().
+ */
+static inline struct kvm_memslots *kvm_memslots_raw(struct kvm *kvm)
+{
+	return rcu_dereference_raw_notrace(kvm->memslots);
+}
+
 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
 
 #endif /* __ASM_KVM_BOOK3S_64_H__ */
diff --git a/arch/powerpc/include/asm/kvm_book3s_asm.h b/arch/powerpc/include/asm/kvm_book3s_asm.h
index f3a91dc02c9..821725c1bf4 100644
--- a/arch/powerpc/include/asm/kvm_book3s_asm.h
+++ b/arch/powerpc/include/asm/kvm_book3s_asm.h
@@ -94,7 +94,7 @@ struct kvmppc_host_state {
 	unsigned long xics_phys;
 	u32 saved_xirr;
 	u64 dabr;
-	u64 host_mmcr[3];
+	u64 host_mmcr[7];	/* MMCR 0,1,A, SIAR, SDAR, MMCR2, SIER */
 	u32 host_pmc[8];
 	u64 host_purr;
 	u64 host_spurr;
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index fcd53f0d34b..4096f16502a 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -129,6 +129,8 @@ extern long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm,
 				struct kvm_create_spapr_tce *args);
 extern long kvmppc_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn,
 			     unsigned long ioba, unsigned long tce);
+extern long kvmppc_h_get_tce(struct kvm_vcpu *vcpu, unsigned long liobn,
+			     unsigned long ioba);
 extern struct kvm_rma_info *kvm_alloc_rma(void);
 extern void kvm_release_rma(struct kvm_rma_info *ri);
 extern struct page *kvm_alloc_hpt(unsigned long nr_pages);
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index 90c06ec6eff..ce17815b8b5 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -213,6 +213,7 @@
 #define SPRN_ACOP	0x1F	/* Available Coprocessor Register */
 #define SPRN_TFIAR	0x81	/* Transaction Failure Inst Addr   */
 #define SPRN_TEXASR	0x82	/* Transaction EXception & Summary */
+#define   TEXASR_FS	__MASK(63-36)	/* Transaction Failure Summary */
 #define SPRN_TEXASRU	0x83	/* ''	   ''	   ''	 Upper 32  */
 #define SPRN_TFHAR	0x80	/* Transaction Failure Handler Addr */
 #define SPRN_CTRLF	0x088
diff --git a/arch/powerpc/include/asm/tm.h b/arch/powerpc/include/asm/tm.h
index 0c9f8b74dd9..c22d704b6d4 100644
--- a/arch/powerpc/include/asm/tm.h
+++ b/arch/powerpc/include/asm/tm.h
@@ -7,6 +7,8 @@
 
 #include <uapi/asm/tm.h>
 
+#ifndef __ASSEMBLY__
+
 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
 extern void do_load_up_transact_fpu(struct thread_struct *thread);
 extern void do_load_up_transact_altivec(struct thread_struct *thread);
@@ -21,3 +23,5 @@ extern void tm_recheckpoint(struct thread_struct *thread,
 extern void tm_abort(uint8_t cause);
 extern void tm_save_sprs(struct thread_struct *thread);
 extern void tm_restore_sprs(struct thread_struct *thread);
+
+#endif /* __ASSEMBLY__ */